1 / 9

DC-DC Converter

DC-DC Converter. The Buck Converter. Pengantar. Konverter dc-dc merupakan suatu rangkaian listrik yang mentransfer energy dari sumber tegangan dc ke beban . Pertama , energi ditransfer melalui suatu piranti elektronik (switch device) ke piranti penyimpan energi ,

jemima
Download Presentation

DC-DC Converter

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DC-DC Converter The Buck Converter

  2. Pengantar • Konverter dc-dc merupakansuaturangkaianlistrik yang mentransfer energy darisumbertegangan dc kebeban. • Pertama, energiditransfermelaluisuatupirantielektronik (switch device) kepirantipenyimpanenergi, • Kemudian, energidikirimkankebebandaripirantipenyimpanenergi, • Induktordankapasitorbiasanyadigunakansebagaipenyimpanenergi. • Proses transfer energiinimenghasilkantegangankeluaran yang ditentukanolehtegangan input danduty ratiorangkaian switching

  3. Efisiensidanregulasi • Sebagaicontoh: • Dibutuhkansumbertegangan dc sebesar 5 volt padaarus 4 ampere harusdisediakandarisumbertegangan dc sebesar 12 volt. • Linear regulation

  4. Pulse Width Modulation • Metodekontroldenganmengoperasikan transistor dalamkeadaanjenuh (on time) dankeadaancut-off (off time).

  5. Buck Converter Circuit • Rangkaian buck converter terdiridariduabuah transistor, induktor, dankapasitor

  6. Analysis Buck Converter Circuit • Arus rata-rata: • Induktans:

  7. Operasi Buck Converter-CCM • Continuous conduction mode (CCM): • Iminselalupositif • CCM duty ratio: • CCM kapasitans:

  8. Operasi Buck Converter-DCM • Discontinuous conduction mode (DCM): • LDCM<LCCM • DCM duty ratio:

  9. Operasi Buck Converter-DCM (cont.) • DCM output voltage: • DCM kapasitans:

More Related